#!/bin/bash
# Password generator for PIE
#set -x

#Content and length of serial code
MATRIX="ABCDEFGHIJKLMNOPQRSTUVWXYZ23456789"
LENGTH="10"

#Select the pie code name
echo " PIE code
1) PCSFREE8
2) PCS2
3) PCS4
4) PCS8
5) PCS12

Please select one"

read SELECT

case "$SELECT" in
	1) PIECODE="PCSFREE8" ;;
	2) PIECODE="PCS2";;
	3) PIECODE="PCS4";;
	4) PIECODE="PCS8";;
	5) PIECODE="PCS12";;
	*) echo "Wrong choice";exit;;
esac

#Select the amount of codes
echo "Number of codes
1)   1.000
2)   5.000
3)  10.000
4)  25.000
5)  50.000
6) 100.000 

Please select one"

read SELECT
case "$SELECT" in
	1) AMOUNT="1000";;
	2) AMOUNT="5000";;
	3) AMOUNT="10000";;
	4) AMOUNT="25000";;
	5) AMOUNT="50000";;
	6) AMOUNT="100000";;
esac

#Remove old files
test -f ${PIECODE}.csv && rm ${PIECODE}.csv

#Start creating the codes
while [ "${x:=1}" -le "$AMOUNT" ]
do
n=0
PASS=""
while [ "${n:=1}" -le "$LENGTH" ]
do
	PASS="$PASS${MATRIX:$(($RANDOM%${#MATRIX})):1}"
	#                 echo "$PASS"
	let n+=1

done

#printf "$PIECODE;${PASS:0:5}-${PASS:5:5}\n" >> ${PIECODE}.csv
printf "${PASS:0:5}-${PASS:5:5}\n" >> ${PIECODE}.csv
printf "."

let x+=1
done
echo ""
echo "$AMOUNT codes created and placed in ${PIECODE}.csv"